CN105481349A - Low cost antibending ceramic roller rod and preparing method thereof - Google Patents

Low cost antibending ceramic roller rod and preparing method thereof Download PDF

Info

Publication number
CN105481349A
CN105481349A CN201510975739.9A CN201510975739A CN105481349A CN 105481349 A CN105481349 A CN 105481349A CN 201510975739 A CN201510975739 A CN 201510975739A CN 105481349 A CN105481349 A CN 105481349A
Authority
CN
China
Prior art keywords
parts
ceramic rod
granularity
waste material
low cost
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510975739.9A
Other languages
Chinese (zh)
Other versions
CN105481349B (en
Inventor
杨华亮
方仁德
王玉梅
郭鹏莉
李剑
蔺锡柱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Foshan Ceramic Research Institute Holding Group Co ltd
Original Assignee
FOSHAN CERAMICS RESEARCH INSTITUTE Co Ltd
FOSHAN NANHAI JINGANG NEW MATERIAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FOSHAN CERAMICS RESEARCH INSTITUTE Co Ltd, FOSHAN NANHAI JINGANG NEW MATERIAL Co Ltd filed Critical FOSHAN CERAMICS RESEARCH INSTITUTE Co Ltd
Priority to CN201510975739.9A priority Critical patent/CN105481349B/en
Publication of CN105481349A publication Critical patent/CN105481349A/en
Application granted granted Critical
Publication of CN105481349B publication Critical patent/CN105481349B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63452—Polyepoxides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63472—Condensation polymers of aldehydes or ketones
    • C04B35/63476—Phenol-formaldehyde condensation polymers
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • C04B2235/3481—Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Abstract

The invention discloses a low cost antibending ceramic roller rod, comprising aggregate, a matrix material and resin, wherein the aggregate has a main raw material formula of 30-60 parts of ceramic roller rod waste material in parts by weight, the matrix material has a main raw material formula of 15-40 parts of cordierite, 2-15 pars of aluminium oxide, 0.1-8 parts of yttrium oxide and 15-35 parts of clay in parts by weight; the resin selects water soluble resin in 0.1-2 parts by weight. Correspondingly, the invention further discloses a preparing method of the low cost antibending ceramic roller rod. By adopting the low cost antibending ceramic roller rod and the preparing method thereof, the ceramic roller rod waste material is reused, the problem that a corundum-mullite ceramic roller rod easily generates bending and deforming in a quenching belt or a large temperature difference region, and the condition of sliding of a tile in a roller kiln is improved.

Description

A kind of low cost bending resistance ceramic rod and preparation method thereof
Technical field
The present invention relates to the processing and fabricating technical field of ceramic rod, particularly a kind of low cost bending resistance ceramic rod and preparation method thereof.
Background technology
Roller kiln are widely used in building, the production of daily and sanitary ware, and ceramic rod, as the key part forming roller kiln, rolling kiln bed, plays a part to hold to burn and transmits ceramic, completes sintering process, directly affect the development of ceramic industry.
Current corundum-mullite matter ceramic rod is most widely used, but in actual production process, often produce a large amount of corundum-mullite matter roller rod waste materials, the domestic second stage employ rate to waste material is very low, therefore roller rod waste material is generally regarded as nondegradable industrial solid waste pollutant, is also the waste to mineral wealth simultaneously.The corundum-mullite matter ceramic rod be widely used mainly with aluminum oxide and corundum for raw material is prepared from, in the preheating zone of roller kiln and chilling region, due to crossing of cold-hot wind, produce the huge temperature difference up and down at ceramic rod, often cause ceramic rod to produce flexural deformation, even phenomenon of rupture because of thermal stresses.Bending ceramic rod can cause the course of product in kiln to change, and product may extrude mutually or collide, thus has had a strong impact on the Quality and yield burning till product.
Since 19th century, trichroite was found, through the development of more than 100 years, cordierite material has become the oxide ceramics that people widely utilize.It has not yielding, the series of advantages such as volume stability good, chemical stability good, thermal expansivity is little, thermal shock resistance is strong, wide material sources; Also there is the toughness comparatively deficiency such as low, synthesis temperature narrow range of low and high temperature intensity difference, load softening point.
Summary of the invention
Technical problem to be solved by this invention is, a kind of low cost bending resistance ceramic rod is provided, ceramic rod waste material is utilized again, and solve corundum-mullite matter ceramic rod and easily produce diastrophic problem at chilling band or the temperature difference compared with large regions, improve ceramic tile and walk brick situation in roller kiln.
Technical problem to be solved by this invention is also, provides a kind of method preparing above-mentioned low cost bending resistance ceramic rod.
For reaching above-mentioned technique effect, the invention provides a kind of low cost bending resistance ceramic rod, comprising aggregate, substrate material and resin, wherein, described aggregate with the main raw material formula of parts by weight is: 30 ~ 60 parts, ceramic rod waste material;
Described substrate material with the main raw material formula of parts by weight is:
Trichroite 15 ~ 40 parts
2 ~ 15 parts, aluminum oxide
Yttrium oxide 0.1 ~ 8 part
Clay 15 ~ 35 parts;
Water soluble resin selected by described resin, and its weight part is 0.1 ~ 2 part;
The weight part summation of described trichroite, ceramic rod waste material, aluminum oxide, yttrium oxide, clay is 100 parts.
As the improvement of such scheme, described ceramic rod waste material comprises: granularity is 10 ~ 15 parts, 50-70 object ceramic rod waste material, granularity is 15 ~ 30 parts, 70-90 object ceramic rod waste material, granularity is 5 ~ 15 parts, 90-120 object ceramic rod waste material.
As the improvement of such scheme, described ceramic rod waste material is corundum-mullite matter ceramic rod grog;
Described clay is one or more in Suzhou soil, wilkinite, camwood knag soil;
Described water soluble resin is one or both in epoxy resin, resol.
As the improvement of such scheme, the granularity of described trichroite is 250-380 order;
The granularity of described aluminum oxide is D50=1 ~ 8 micron;
The granularity of described yttrium oxide is D50=0.1 ~ 5 micron;
The granularity of described clay is D50=0.1 ~ 10 micron.
As the improvement of such scheme, described ceramic rod waste material comprises: granularity is 60 10 ~ 15 parts, object ceramic rod waste materials, granularity is 80 20 ~ 30 parts, object ceramic rod waste materials, granularity is 5 ~ 10 parts, 100 object ceramic rod waste material;
The granularity of described trichroite is 320 orders;
The granularity of described aluminum oxide is D50=2.5 ~ 3.5 micron;
The granularity of described yttrium oxide is D50=1.0 ~ 2.0 micron;
The granularity of described clay is D50=0.4 ~ 4.5 micron.
As the improvement of such scheme, the weight of described aggregate and substrate material is 35-50:50-65.
Correspondingly, for reaching above-mentioned technique effect, present invention also offers a kind of preparation method of low cost bending resistance ceramic rod, comprising:
(1) aggregate and substrate material to be prepared burden mixing respectively by formula;
(2) in described substrate material, aggregate, add water, and carry out ball-milling processing, obtain slurry;
(3) described slurry is made mud cake by filter-pressing process;
(4) in described mud cake, add resin, utilize vacuum deairing machine to carry out more than twice pugging, obtain pug;
(5) described pug is carried out plasticity extrusion moulding process by vacuum screw forcing machine, obtain base pipe;
(6) described base pipe is carried out drying treatment, after dry, the moisture controlled of base pipe is ≤1%;
(7) the base pipe of drying is carried out high temperature sintering, obtain ceramic rod;
Wherein, described aggregate with the main raw material formula of parts by weight is: 30 ~ 60 parts, ceramic rod waste material;
Described substrate material with the main raw material formula of parts by weight is:
Trichroite 15 ~ 40 parts
2 ~ 15 parts, aluminum oxide
Yttrium oxide 0.1 ~ 8 part
Clay 15 ~ 35 parts;
Water soluble resin selected by described resin, and its weight part is 0.1 ~ 2 part;
The weight part summation of described trichroite, ceramic rod waste material, aluminum oxide, yttrium oxide, clay is 100 parts.
As the improvement of such scheme, step (2) comprising:
By described substrate material and 28 ~ 35 parts of water ball milling 1.5 ~ 3 hours in ball mill;
Dropped in the substrate material of ball milling by described aggregate, ball milling 0.5 ~ 1.0 hour, obtains slurry;
Slurry is carried out sieve, deironing process.
As the improvement of such scheme, in step (7), the mechanism of high temperature sintering is: first rise to 1530 ~ 1580 DEG C with the speed of 25 ~ 80 DEG C/h by room temperature, be incubated 5 ~ 8 hours, be then cooled to room temperature with the speed of 100 ~ 300 DEG C/h.
As the improvement of such scheme, the moisture controlled of described mud cake is 15 ~ 17%;
The moisture control of described pug 12 ~ 14%, old 36 ~ 52 hours;
Described base pipe at temperature 50 ~ 80 DEG C dry 10 ~ 30 hours, after dry, the moisture controlled of base pipe is ≤0.8%;
The pitch of described vacuum screw forcing machine constantly reduces.
Implement the present invention and there is following beneficial effect:
The invention provides a kind of low cost bending resistance ceramic rod, select corundum-mullite ceramic rod waste material as main raw material, by adding trichroite, ceramic rod waste material is utilized again, and solve corundum-mullite matter ceramic rod and easily produce diastrophic problem at chilling band or the temperature difference compared with large regions, improve ceramic tile and walk brick situation in roller kiln, specific as follows:
1, optimization of C/C composites and technique, realizes ceramic rod waste material recycling, not only reduces production cost, and significantly decrease the quantity discharged of industrial solid castoff, alleviate carrying capacity of environment;
2, by adding the low bulk mineral materials such as trichroite, and formula system design being carried out to materials such as trichroite, ceramic rod waste material, aluminum oxide, yttrium oxide, clays, determining the mismatch system that a kind of thermal expansivity is lower;
3, improve on material system, introduce the problem to make up trichroite insufficient strength such as a small amount of aluminum oxide; Add clay, clay except as except sintering aid, again as shaping assistant, to improve the plasticity extrusion moulding ability of pug; Add water soluble resin, improve plasticity-and the dry tenacity of pug;
4, adopt vacuum screw extrusion molding technique, beneficiated ore raw material basis utilizes ever-reduced pitch, improve the density of pug and base substrate;
5, the temperature homogeneity by controlling kiln is improved the linearity of product and is improved conforming product rate.
To sum up, ceramic rod finished product of the present invention, its resistance to thermal shocks (1100 DEG C ~ room temperature) >=do not split for six times, normal temperature flexural strength >=40MPa, high temperature bend strength (1100 DEG C) >=35MPa, thermal expansivity (1000 DEG C)≤4.8 × 10-6/ DEG C, have higher normal temperature strength and hot strength, thermal shock resistance be good, anti-bending strength is excellent, efficiently solve roller rod in roller kiln due to thermograde larger time the diastrophic problem that causes.
Accompanying drawing explanation
Fig. 1 is the schema of the preparation method of a kind of low cost bending resistance of the present invention ceramic rod.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
The invention provides a kind of low cost bending resistance ceramic rod, comprise aggregate, substrate material and resin, wherein, described aggregate with the main raw material formula of parts by weight is: 30 ~ 60 parts, ceramic rod waste material;
Described substrate material with the main raw material formula of parts by weight is:
Trichroite 15 ~ 40 parts
2 ~ 15 parts, aluminum oxide
Yttrium oxide 0.1 ~ 8 part
Clay 15 ~ 35 parts;
The weight part summation of above-mentioned trichroite, ceramic rod waste material, aluminum oxide, yttrium oxide, clay is 100 parts, as benchmark, additional:
Water soluble resin, its weight part is 0.1 ~ 2 part.
Preferably, the weight of described aggregate and substrate material is 35-50:50-65.
As the embodiment that ceramic rod formula of the present invention is better, it with the main raw material formula of parts by weight is:
35 ~ 54 parts, ceramic rod waste material
Trichroite 20 ~ 35 parts
5 ~ 10 parts, aluminum oxide
Yttrium oxide 0.5 ~ 5 part
Clay 20 ~ 30 parts;
The weight part summation of above-mentioned trichroite, ceramic rod waste material, aluminum oxide, yttrium oxide, clay is 100 parts, as benchmark, additional:
Water soluble resin 0.2 ~ 0.8 part.
Preferably, the weight of described aggregate and substrate material is 35-50:50-65.
Wherein, described ceramic rod waste material comprises: granularity is 10 ~ 15 parts, 50-70 object ceramic rod waste material, granularity is 15 ~ 30 parts, 70-90 object ceramic rod waste material, granularity is 5 ~ 15 parts, 90-120 object ceramic rod waste material.Preferably, described ceramic rod waste material comprises: granularity is 60 10 ~ 15 parts, object ceramic rod waste materials, granularity is 80 20 ~ 30 parts, object ceramic rod waste materials, granularity is 5 ~ 10 parts, 100 object ceramic rod waste material.
Described ceramic rod waste material is corundum-mullite matter ceramic rod grog, and particle is divided into big or middle, thin three kinds of particles, adopts graduation three material to be conducive to improving tap density.
The granularity of described trichroite is 250-380 order.Preferably, the granularity of described trichroite is 320 orders.Fine powder as substrate material is conducive to shaping and sintering, the general trichroite adopting synthetic.
It should be noted that, trichroite is a kind of silicate minerals, and chemical composition is (Mg, Fe 2+) 2al 3[AlSi 5o 18] .H 2o, has light blue or lilac, vitreous luster usually, is clear to translucent.Trichroite originates in schist, leaf gneiss and alteration volcanic rock.
The granularity of described aluminum oxide is D50=1 ~ 8 micron.Preferably, the granularity of described aluminum oxide is D50=2.5 ~ 3.5 micron, is conducive to the control of reaction sintering and contractibility.
The granularity of described yttrium oxide is D50=0.1 ~ 5 micron.Preferably, the granularity of described yttrium oxide is D50=1.0 ~ 2.0 micron, is conducive to discrete distribution and acceleration of sintering.
Described clay is one or more in Suzhou soil, wilkinite, camwood knag soil, and the granularity of described clay is D50=0.1 ~ 10 micron.Preferably, the granularity of described clay is D50=0.4 ~ 4.5 micron.Better, described clay is one or more in the camwood knag soil of the Suzhou soil of granularity D50=0.4 ~ 0..8um, the wilkinite of granularity D50=0.4 ~ 0..8um, granularity D50=3 ~ 4.5um, also plays the shrinking percentage controlling its plasticity and product while controlling clay purity.Clay of the present invention, except as except sintering aid, again as shaping assistant, to improve the plasticity extrusion moulding ability of pug.
It should be noted that, particle diameter corresponding when the cumulative particle sizes percentile of D50: one sample reaches 50%.Its physical significance is that the particle that particle diameter is greater than it accounts for 50%, and the particle being less than it also accounts for 50%, D50 and is also meso-position radius or median particle diameter.D50 is commonly used to the mean particle size representing powder.
Described water soluble resin is one or both in epoxy resin, resol.
Correspondingly, as shown in Figure 1, present invention also offers a kind of preparation method of low cost bending resistance ceramic rod, comprising:
S101, aggregate and substrate material to be prepared burden mixing respectively by formula.
The raw material of described ceramic rod comprises aggregate, substrate material and resin, and wherein, described aggregate with the main raw material formula of parts by weight is: 30 ~ 60 parts, ceramic rod waste material;
Described substrate material with the main raw material formula of parts by weight is:
Trichroite 15 ~ 40 parts
2 ~ 15 parts, aluminum oxide
Yttrium oxide 0.1 ~ 8 part
Clay 15 ~ 35 parts;
The weight part summation of above-mentioned trichroite, ceramic rod waste material, aluminum oxide, yttrium oxide, clay is 100 parts, as benchmark, additional:
Water soluble resin, its weight part is 0.1 ~ 2 part.
Preferably, the weight of described aggregate and substrate material is 35-50:50-65.
As the embodiment that ceramic rod formula of the present invention is better, it with the main raw material formula of parts by weight is:
35 ~ 54 parts, ceramic rod waste material
Trichroite 20 ~ 35 parts
5 ~ 10 parts, aluminum oxide
Yttrium oxide 0.5 ~ 5 part
Clay 20 ~ 30 parts;
The weight part summation of above-mentioned trichroite, ceramic rod waste material, aluminum oxide, yttrium oxide, clay is 100 parts, as benchmark, additional:
Water soluble resin 0.2 ~ 0.8 part.
Preferably, the weight of described aggregate and substrate material is 35-50:50-65.
Wherein, described ceramic rod waste material comprises: granularity is 10 ~ 15 parts, 50-70 object ceramic rod waste material, granularity is 15 ~ 30 parts, 70-90 object ceramic rod waste material, granularity is 5 ~ 15 parts, 90-120 object ceramic rod waste material.Preferably, described ceramic rod waste material comprises: granularity is 60 10 ~ 15 parts, object ceramic rod waste materials, granularity is 80 20 ~ 30 parts, object ceramic rod waste materials, granularity is 5 ~ 10 parts, 100 object ceramic rod waste material.
Described ceramic rod waste material is corundum-mullite matter ceramic rod grog, and particle is divided into big or middle, thin three kinds of particles, adopts graduation three material to be conducive to improving tap density.
The granularity of described trichroite is 250-380 order.Preferably, the granularity of described trichroite is 320 orders.
It should be noted that, trichroite is a kind of silicate minerals, and chemical composition is (Mg, Fe 2+) 2al 3[AlSi 5o 18] .H 2o, has light blue or lilac, vitreous luster usually, is clear to translucent.Trichroite originates in schist, leaf gneiss and alteration volcanic rock.
The granularity of described aluminum oxide is D50=1 ~ 8 micron.Preferably, the granularity of described aluminum oxide is D50=2.5 ~ 3.5 micron;
The granularity of described yttrium oxide is D50=0.1 ~ 5 micron.Preferably, the granularity of described yttrium oxide is D50=1.0 ~ 2.0 micron;
Described clay is one or more in Suzhou soil, wilkinite, camwood knag soil, and the granularity of described clay is D50=0.1 ~ 10 micron.Preferably, the granularity of described clay is D50=0.4 ~ 4.5 micron.Better, described clay is one or more in the camwood knag soil of the Suzhou soil of granularity D50=0.4 ~ 0..8um, the wilkinite of granularity D50=0.4 ~ 0..8um, granularity D50=3 ~ 4.5um.Clay of the present invention, except as except sintering aid, again as shaping assistant, to improve the plasticity extrusion moulding ability of pug.
Suzhou soil is the remaining type kaolin of hydrothermal alteration, originates in Yangshan one, Suzhou, Jiangsu Province, China band.Wilkinite take montmorillonite as the nonmetallic minerals of main mineral constituent, is also otaylite, bentonite or amargosite.Camwood knag soil is the fireclay that a kind of plasticity-is excellent.
It should be noted that, particle diameter corresponding when the cumulative particle sizes percentile of D50: one sample reaches 50%.Its physical significance is that the particle that particle diameter is greater than it accounts for 50%, and the particle being less than it also accounts for 50%, D50 and is also meso-position radius or median particle diameter.D50 is commonly used to the mean particle size representing powder.
S102, in described substrate material, aggregate, add water, and carry out ball-milling processing, obtain slurry.
Concrete, described ball-milling processing process comprises:
By described substrate material and 28 ~ 35 parts of water ball milling 1.5 ~ 3 hours in ball mill;
Dropped in the substrate material of ball milling by described aggregate, carry out second time ball milling, ball milling 0.5 ~ 1.0 hour, obtains slurry;
Slurry is carried out sieve, deironing process.
Present invention defines substrate material and aggregate at the addition sequence of mechanical milling process and Ball-milling Time, the plasticity-of pug can be significantly improved, also ensure that particles of aggregates is not destroyed simultaneously.
S103, described slurry is made mud cake by filter-pressing process, the moisture controlled of described mud cake is 15 ~ 17%.
S104, in described mud cake, add resin, utilize vacuum deairing machine to carry out more than twice pugging, obtain pug, the moisture control of described pug 12 ~ 14%, old 36 ~ 52 hours.
Described resin is water soluble resin, and its weight part is 0.1 ~ 2 part.Concrete, described water soluble resin is one or both in epoxy resin, resol.
The present invention adds water soluble resin in mud cake, utilizes vacuum deairing machine to carry out repeatedly pugging and carries out old process, can significantly improve the plasticity-of pug.
S105, described pug is carried out plasticity extrusion moulding process by vacuum screw forcing machine, the pitch of described vacuum screw forcing machine constantly reduces, and obtains base pipe.
The present invention utilizes the ever-reduced vacuum screw forcing machine of pitch, and according to product specification, plasticity extrusion moulding is prepared into base pipe, improves the density of base substrate.
S106, described base pipe is carried out drying treatment, after dry, the moisture controlled of base pipe is ≤1%.
Preferably, described base pipe at temperature 50 ~ 80 DEG C dry 10 ~ 30 hours, after dry, the moisture controlled of base pipe is ≤0.8%.
S107, the base pipe of drying is carried out high temperature sintering, obtain ceramic rod.
Wherein, the mechanism of high temperature sintering is: first rise to 1530 ~ 1580 DEG C with the speed of 25 ~ 80 DEG C/h by room temperature, be incubated 5 ~ 8 hours, be then cooled to room temperature with the speed of 100 ~ 300 DEG C/h.Adopt above-mentioned sin-tering mechanism, improve the linearity of product by the temperature homogeneity controlling kiln and improve conforming product rate.
The ceramic rod finished product obtained by above-mentioned formula and method, its resistance to thermal shocks (1100 DEG C ~ room temperature) >=do not split for six times, normal temperature flexural strength >=40MPa, high temperature bend strength (1100 DEG C) >=35MPa, thermal expansivity (1000 DEG C)≤4.8 × 10-6/ DEG C, have higher normal temperature strength and hot strength, thermal shock resistance is good, anti-bending strength is excellent, efficiently solve roller rod in roller kiln due to thermograde larger time the diastrophic problem that causes.
The present invention is set forth further below with specific embodiment
Embodiment 1
(1) fill a prescription:
30 parts, ceramic rod waste material
Trichroite 30 parts
10 parts, aluminum oxide
Yttrium oxide 5 parts
Clay 25 parts;
Water soluble resin 1 part.
Wherein, ceramic rod waste material comprises: granularity is 55 10 parts, object ceramic rod waste materials, granularity is 75 15 parts, object ceramic rod waste materials, granularity is 5 parts, 95 object ceramic rod waste material.
(2) preparation method:
(1) by the mixing of 30 parts, ceramic rod waste material, aggregate is obtained; By trichroite 30 parts, 10 parts, aluminum oxide, yttrium oxide 5 parts, clay 25 parts mixing, obtain substrate material;
(2) by described substrate material and 28 parts of water ball milling 1.5 hours in ball mill; Dropped in the substrate material of ball milling by described aggregate, carry out second time ball milling, ball milling 0.5 hour, obtains slurry; Slurry is carried out sieve, deironing process;
(3) described slurry is made mud cake by filter-pressing process, the moisture controlled of described mud cake is 15%;
(4) in described mud cake, add water soluble resin 1 part, utilize vacuum deairing machine to carry out more than twice pugging, obtain pug, the moisture control of described pug 12%, old 36 hours;
(5) described pug is carried out plasticity extrusion moulding process by vacuum screw forcing machine, the pitch of described vacuum screw forcing machine constantly reduces, and obtains base pipe;
(6) by described base pipe under temperature 50 C dry 10 hours, after dry, the moisture controlled of base pipe is ≤1%;
(7) the base pipe of drying is carried out high temperature sintering, first rise to 1530 DEG C with the speed of 25 DEG C/h by room temperature, be incubated 5 hours, be then cooled to room temperature with the speed of 100 DEG C/h, obtain ceramic rod finished product.
Embodiment 2
(1) fill a prescription:
35 parts, ceramic rod waste material
Trichroite 25 parts
8 parts, aluminum oxide
Yttrium oxide 2 parts
Clay 30 parts;
Water soluble resin 0.2 part.
Wherein, ceramic rod waste material comprises: granularity is 60 12 parts, object ceramic rod waste materials, granularity is 80 18 parts, object ceramic rod waste materials, granularity is 5 parts, 100 object ceramic rod waste material.
(2) preparation method:
(1) by the mixing of 35 parts, ceramic rod waste material, aggregate is obtained; By trichroite 25 parts, 8 parts, aluminum oxide, yttrium oxide 2 parts, clay 30 parts mixing, obtain substrate material;
(2) by described substrate material and 30 parts of water ball milling 2 hours in ball mill; Dropped in the substrate material of ball milling by described aggregate, carry out second time ball milling, ball milling 0.6 hour, obtains slurry; Slurry is carried out sieve, deironing process;
(3) described slurry is made mud cake by filter-pressing process, the moisture controlled of described mud cake is 16%;
(4) in described mud cake, add water soluble resin 0.2 part, utilize vacuum deairing machine to carry out more than twice pugging, obtain pug, the moisture control of described pug 13%, old 40 hours;
(5) described pug is carried out plasticity extrusion moulding process by vacuum screw forcing machine, the pitch of described vacuum screw forcing machine constantly reduces, and obtains base pipe;
(6) by described base pipe at temperature 55 DEG C dry 15 hours, after dry, the moisture controlled of base pipe is ≤0.8%;
(7) the base pipe of drying is carried out high temperature sintering, first rise to 1540 DEG C with the speed of 30 DEG C/h by room temperature, be incubated 6 hours, be then cooled to room temperature with the speed of 150 DEG C/h, obtain ceramic rod finished product.
Embodiment 3
(1) fill a prescription:
37.4 parts, ceramic rod waste material
Trichroite 28 parts
8 parts, aluminum oxide
Yttrium oxide 0.6 part
Clay 26 parts;
Water soluble resin 0.3 part.
Wherein, ceramic rod waste material comprises: granularity is 60 10 parts, object ceramic rod waste materials, granularity is 80 17.4 parts, object ceramic rod waste materials, granularity is 10 parts, 100 object ceramic rod waste material.
(2) preparation method:
(1) by the mixing of 37.4 parts, ceramic rod waste material, aggregate is obtained; By trichroite 28 parts, 8 parts, aluminum oxide, yttrium oxide 0.6 part, clay 26 parts mixing, obtain substrate material;
(2) by described substrate material and 32 parts of water ball milling 2.5 hours in ball mill; Dropped in the substrate material of ball milling by described aggregate, carry out second time ball milling, ball milling 1 hour, obtains slurry; Slurry is carried out sieve, deironing process;
(3) described slurry is made mud cake by filter-pressing process, the moisture controlled of described mud cake is 17%;
(4) in described mud cake, add water soluble resin 0.3 part, utilize vacuum deairing machine to carry out more than twice pugging, obtain pug, the moisture control of described pug 14%, old 40 hours;
(5) described pug is carried out plasticity extrusion moulding process by vacuum screw forcing machine, the pitch of described vacuum screw forcing machine constantly reduces, and obtains base pipe;
(6) by described base pipe under temperature 60 C dry 25 hours, after dry, the moisture controlled of base pipe is ≤0.7%;
(7) the base pipe of drying is carried out high temperature sintering, first rise to 1550 DEG C with the speed of 35 DEG C/h by room temperature, be incubated 7 hours, be then cooled to room temperature with the speed of 220 DEG C/h, obtain ceramic rod finished product.
Embodiment 4
(1) fill a prescription:
38.2 parts, ceramic rod waste material
Trichroite 32 parts
5 parts, aluminum oxide
Yttrium oxide 0.8 part
Clay 24 parts;
Water soluble resin 0.5 part.
Wherein, ceramic rod waste material comprises: granularity is 60 13 parts, object ceramic rod waste materials, granularity is 75 17 parts, object ceramic rod waste materials, granularity is 8.2 parts, 95 object ceramic rod waste material.
(2) preparation method:
(1) by the mixing of 38.2 parts, ceramic rod waste material, aggregate is obtained; By trichroite 32 parts, 5 parts, aluminum oxide, yttrium oxide 0.8 part, clay 24 parts mixing, obtain substrate material;
(2) by described substrate material and 35 parts of water ball milling 2.5 hours in ball mill; Dropped in the substrate material of ball milling by described aggregate, carry out second time ball milling, ball milling 0.8 hour, obtains slurry; Slurry is carried out sieve, deironing process;
(3) described slurry is made mud cake by filter-pressing process, the moisture controlled of described mud cake is 16%;
(4) in described mud cake, add water soluble resin 0.5 part, utilize vacuum deairing machine to carry out more than twice pugging, obtain pug, the moisture control of described pug 13%, old 48 hours;
(5) described pug is carried out plasticity extrusion moulding process by vacuum screw forcing machine, the pitch of described vacuum screw forcing machine constantly reduces, and obtains base pipe;
(6) by described base pipe under temperature 60 C dry 25 hours, after dry, the moisture controlled of base pipe is ≤0.6%;
(7) the base pipe of drying is carried out high temperature sintering, first rise to 1560 DEG C with the speed of 50 DEG C/h by room temperature, be incubated 7 hours, be then cooled to room temperature with the speed of 250 DEG C/h, obtain ceramic rod finished product.
Embodiment 5
(1) fill a prescription:
45 parts, ceramic rod waste material
Trichroite 29 parts
5 parts, aluminum oxide
Yttrium oxide 1 part
Clay 20 parts;
Water soluble resin 0.8 part.
Wherein, ceramic rod waste material comprises: granularity is 60 15 parts, object ceramic rod waste materials, granularity is 80 20 parts, object ceramic rod waste materials, granularity is 10 parts, 100 object ceramic rod waste material.
(2) preparation method:
(1) by the mixing of 45 parts, ceramic rod waste material, aggregate is obtained; By trichroite 29 parts, 5 parts, aluminum oxide, yttrium oxide 1 part, clay 20 parts mixing, obtain substrate material;
(2) by described substrate material and 35 parts of water ball milling 2 hours in ball mill; Dropped in the substrate material of ball milling by described aggregate, carry out second time ball milling, ball milling 1 hour, obtains slurry; Slurry is carried out sieve, deironing process;
(3) described slurry is made mud cake by filter-pressing process, the moisture controlled of described mud cake is 16%;
(4) in described mud cake, add water soluble resin 0.8 part, utilize vacuum deairing machine to carry out more than twice pugging, obtain pug, the moisture control of described pug 14%, old 52 hours;
(5) described pug is carried out plasticity extrusion moulding process by vacuum screw forcing machine, the pitch of described vacuum screw forcing machine constantly reduces, and obtains base pipe;
(6) by described base pipe under temperature 70 C dry 20 hours, after dry, the moisture controlled of base pipe is ≤0.8%;
(7) the base pipe of drying is carried out high temperature sintering, first rise to 1550 DEG C with the speed of 65 DEG C/h by room temperature, be incubated 6 hours, be then cooled to room temperature with the speed of 220 DEG C/h, obtain ceramic rod finished product.
Embodiment 6
(1) fill a prescription:
54 parts, ceramic rod waste material
Trichroite 20 parts
5 parts, aluminum oxide
Yttrium oxide 1 part
Clay 20 parts;
Water soluble resin 0.6 part.
Wherein, ceramic rod waste material comprises: granularity is 60 15 parts, object ceramic rod waste materials, granularity is 80 29 parts, object ceramic rod waste materials, granularity is 10 parts, 100 object ceramic rod waste material.
(2) preparation method:
(1) by the mixing of 54 parts, ceramic rod waste material, aggregate is obtained; By trichroite 20 parts, 5 parts, aluminum oxide, yttrium oxide 1 part, clay 20 parts mixing, obtain substrate material;
(2) by described substrate material and 30 parts of water ball milling 2 hours in ball mill; Dropped in the substrate material of ball milling by described aggregate, carry out second time ball milling, ball milling 0.7 hour, obtains slurry; Slurry is carried out sieve, deironing process;
(3) described slurry is made mud cake by filter-pressing process, the moisture controlled of described mud cake is 17%;
(4) in described mud cake, add water soluble resin 0.6 part, utilize vacuum deairing machine to carry out more than twice pugging, obtain pug, the moisture control of described pug 14%, old 40 hours;
(5) described pug is carried out plasticity extrusion moulding process by vacuum screw forcing machine, the pitch of described vacuum screw forcing machine constantly reduces, and obtains base pipe;
(6) by described base pipe at temperature 75 DEG C dry 25 hours, after dry, the moisture controlled of base pipe is ≤0.8%;
(7) the base pipe of drying is carried out high temperature sintering, first rise to 1580 DEG C with the speed of 75 DEG C/h by room temperature, be incubated 8 hours, be then cooled to room temperature with the speed of 280 DEG C/h, obtain ceramic rod finished product.
Embodiment 7
(1) fill a prescription:
60 parts, ceramic rod waste material
Trichroite 15 parts
3 parts, aluminum oxide
Yttrium oxide 2 parts
Clay 20 parts;
Water soluble resin 0.5 part.
Wherein, ceramic rod waste material comprises: granularity is 65 15 parts, object ceramic rod waste materials, granularity is 85 30 parts, object ceramic rod waste materials, granularity is 15 parts, 105 object ceramic rod waste material.
(2) preparation method:
(1) by the mixing of 60 parts, ceramic rod waste material, aggregate is obtained; By trichroite 15 parts, 3 parts, aluminum oxide, yttrium oxide 2 parts, clay 20 parts mixing, obtain substrate material;
(2) by described substrate material and 35 parts of water ball milling 3 hours in ball mill; Dropped in the substrate material of ball milling by described aggregate, carry out second time ball milling, ball milling 1.0 hours, obtains slurry; Slurry is carried out sieve, deironing process;
(3) described slurry is made mud cake by filter-pressing process, the moisture controlled of described mud cake is 17%;
(4) in described mud cake, add water soluble resin 0.5 part, utilize vacuum deairing machine to carry out more than twice pugging, obtain pug, the moisture control of described pug 14%, old 52 hours;
(5) described pug is carried out plasticity extrusion moulding process by vacuum screw forcing machine, the pitch of described vacuum screw forcing machine constantly reduces, and obtains base pipe;
(6) by described base pipe at temperature 80 DEG C dry 30 hours, after dry, the moisture controlled of base pipe is ≤0.8%;
(7) the base pipe of drying is carried out high temperature sintering, first rise to 1580 DEG C with the speed of 80 DEG C/h by room temperature, be incubated 8 hours, be then cooled to room temperature with the speed of 300 DEG C/h, obtain ceramic rod finished product.
The ceramic rod of embodiment 1-7 gained is done technology for detection, and result is as follows:
Project Resistance to thermal shocks (1100 DEG C ~ room temperature) Normal temperature flexural strength High temperature bend strength (1100 DEG C) Thermal expansivity (1000 DEG C)
Embodiment 1 Do not split for six times 42 MPa 38 MPa 4.5×10 -6/℃
Embodiment 2 Do not split for seven times 48 MPa 42MPa 4.4×10 -6/℃
Embodiment 3 Do not split for eight times 50 MPa 44 MPa 4.2×10 -6/℃
Embodiment 4 Do not split for eight times 52MPa 40 MPa 4.3×10 -6/℃
Embodiment 5 Do not split for seven times 55 MPa 45MPa 4.5×10 -6/℃
Embodiment 6 Do not split for eight times 47 MPa 39 MPa 4.3×10 -6/℃
Embodiment 7 Do not split for six times 43 MPa 36 MPa 4.6×10 -6/℃
To sum up, ceramic rod finished product of the present invention, its resistance to thermal shocks (1100 DEG C ~ room temperature) >=do not split for six times, normal temperature flexural strength >=40MPa, high temperature bend strength (1100 DEG C) >=35MPa, thermal expansivity (1000 DEG C)≤4.8 × 10-6/ DEG C, have higher normal temperature strength and hot strength, thermal shock resistance be good, anti-bending strength is excellent, efficiently solve roller rod in roller kiln due to thermograde larger time the diastrophic problem that causes.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.

Claims (10)

1. a low cost bending resistance ceramic rod, is characterized in that, comprises aggregate, substrate material and resin, and wherein, described aggregate with the main raw material formula of parts by weight is: 30 ~ 60 parts, ceramic rod waste material;
Described substrate material with the main raw material formula of parts by weight is:
Trichroite 15 ~ 40 parts
2 ~ 15 parts, aluminum oxide
Yttrium oxide 0.1 ~ 8 part
Clay 15 ~ 35 parts;
Water soluble resin selected by described resin, and its weight part is 0.1 ~ 2 part;
The weight part summation of described trichroite, ceramic rod waste material, aluminum oxide, yttrium oxide, clay is 100 parts.
2. low cost bending resistance ceramic rod as claimed in claim 1, it is characterized in that, described ceramic rod waste material comprises: granularity is 10 ~ 15 parts, 50-70 object ceramic rod waste material, granularity is 15 ~ 30 parts, 70-90 object ceramic rod waste material, granularity is 5 ~ 15 parts, 90-120 object ceramic rod waste material.
3. low cost bending resistance ceramic rod as claimed in claim 1 or 2, it is characterized in that, described ceramic rod waste material is corundum-mullite matter ceramic rod grog;
Described clay is one or more in Suzhou soil, wilkinite, camwood knag soil;
Described water soluble resin is one or both in epoxy resin, resol.
4. low cost bending resistance ceramic rod as claimed in claim 3, it is characterized in that, the granularity of described trichroite is 250-380 order;
The granularity of described aluminum oxide is D50=1 ~ 8 micron;
The granularity of described yttrium oxide is D50=0.1 ~ 5 micron;
The granularity of described clay is D50=0.1 ~ 10 micron.
5. low cost bending resistance ceramic rod as claimed in claim 4; it is characterized in that, described ceramic rod waste material comprises: granularity is 60 10 ~ 15 parts, object ceramic rod waste materials, granularity is 80 20 ~ 30 parts, object ceramic rod waste materials, granularity is 5 ~ 10 parts, 100 object ceramic rod waste material;
The granularity of described trichroite is 320 orders;
The granularity of described aluminum oxide is D50=2.5 ~ 3.5 micron;
The granularity of described yttrium oxide is D50=1.0 ~ 2.0 micron;
The granularity of described clay is D50=0.4 ~ 4.5 micron.
6. low cost bending resistance ceramic rod as claimed in claim 1, it is characterized in that, the weight of described aggregate and substrate material is 35-50:50-65.
7. prepare a method for the low cost bending resistance ceramic rod described in any one of claim 1 ~ 6, it is characterized in that, comprising:
(1) aggregate and substrate material to be prepared burden mixing respectively by formula;
(2) in described substrate material, aggregate, add water, and carry out ball-milling processing, obtain slurry;
(3) described slurry is made mud cake by filter-pressing process;
(4) in described mud cake, add resin, utilize vacuum deairing machine to carry out more than twice pugging, obtain pug;
(5) described pug is carried out plasticity extrusion moulding process by vacuum screw forcing machine, obtain base pipe;
(6) described base pipe is carried out drying treatment, after dry, the moisture controlled of base pipe is ≤1%;
(7) the base pipe of drying is carried out high temperature sintering, obtain ceramic rod;
Wherein, described aggregate with the main raw material formula of parts by weight is: 30 ~ 60 parts, ceramic rod waste material;
Described substrate material with the main raw material formula of parts by weight is:
Trichroite 15 ~ 40 parts
2 ~ 15 parts, aluminum oxide
Yttrium oxide 0.1 ~ 8 part
Clay 15 ~ 35 parts;
Water soluble resin selected by described resin, and its weight part is 0.1 ~ 2 part;
The weight part summation of described trichroite, ceramic rod waste material, aluminum oxide, yttrium oxide, clay is 100 parts.
8. prepare the method for low cost bending resistance ceramic rod as claimed in claim 7, it is characterized in that, step (2) comprising:
By described substrate material and 28 ~ 35 parts of water ball milling 1.5 ~ 3 hours in ball mill;
Dropped in the substrate material of ball milling by described aggregate, ball milling 0.5 ~ 1.0 hour, obtains slurry;
Slurry is carried out sieve, deironing process.
9. prepare the method for low cost bending resistance ceramic rod as claimed in claim 7, it is characterized in that, in step (7), the mechanism of high temperature sintering is: first rise to 1530 ~ 1580 DEG C with the speed of 25 ~ 80 DEG C/h by room temperature, be incubated 5 ~ 8 hours, be then cooled to room temperature with the speed of 100 ~ 300 DEG C/h.
10. prepare the method for low cost bending resistance ceramic rod as claimed in claim 6, it is characterized in that, the moisture controlled of described mud cake is 15 ~ 17%;
The moisture control of described pug 12 ~ 14%, old 36 ~ 52 hours;
Described base pipe at temperature 50 ~ 80 DEG C dry 10 ~ 30 hours, after dry, the moisture controlled of base pipe is ≤0.8%;
The pitch of described vacuum screw forcing machine constantly reduces.
CN201510975739.9A 2015-12-23 2015-12-23 A kind of low cost bending resistance ceramic rod and preparation method thereof Active CN105481349B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510975739.9A CN105481349B (en) 2015-12-23 2015-12-23 A kind of low cost bending resistance ceramic rod and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510975739.9A CN105481349B (en) 2015-12-23 2015-12-23 A kind of low cost bending resistance ceramic rod and preparation method thereof

Publications (2)

Publication Number Publication Date
CN105481349A true CN105481349A (en) 2016-04-13
CN105481349B CN105481349B (en) 2018-05-08

Family

ID=55668676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510975739.9A Active CN105481349B (en) 2015-12-23 2015-12-23 A kind of low cost bending resistance ceramic rod and preparation method thereof

Country Status (1)

Country Link
CN (1) CN105481349B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107746266A (en) * 2017-09-19 2018-03-02 北京大学 A kind of fiber reinforcement cordierite marmite and preparation method thereof
CN108975923A (en) * 2018-07-24 2018-12-11 广东金刚新材料有限公司 A kind of anti-thermal shock and the stable ceramic rod and preparation method thereof of high volume
CN109279884A (en) * 2018-08-29 2019-01-29 广东金刚新材料有限公司 A kind of high strength cordierite-mullite ceramic roller stick and preparation method thereof
CN110028314A (en) * 2019-04-08 2019-07-19 福建省德化县创捷窑具有限公司 A kind of high thermal shock resistance dichroite-mullite kiln furnitures and preparation method thereof
CN111004040A (en) * 2020-01-02 2020-04-14 四会市奥耳新材料有限公司 Liquid intensifier
CN114349472A (en) * 2021-12-24 2022-04-15 广东金刚新材料有限公司 Low-cost, high-thermal-shock-resistance and low-heat-conductivity light heat-insulating brick and preparation method thereof
CN114716257A (en) * 2022-03-11 2022-07-08 广东金刚新材料有限公司 Quenching ceramic roller-stick daub
CN116903348A (en) * 2023-09-15 2023-10-20 广东佛山市陶瓷研究所控股集团股份有限公司 Composition for preparing ceramic roller, and preparation method and application of ceramic roller

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101161603A (en) * 2006-10-12 2008-04-16 湖南省新化县鑫星电子陶瓷有限责任公司 An iolite porcelain electronic flat-irons soles with low hot expansion factor
CN101687713A (en) * 2007-06-28 2010-03-31 康宁股份有限公司 The high porosity ceramic honeycomb article and the manufacture method thereof that comprise rare earth oxide
CN103553661A (en) * 2013-10-18 2014-02-05 李富朝 Preparation method for mullite-roller bed bar waste-cordierite product for hot-blast stove ceramic burner
CN103626481A (en) * 2013-11-14 2014-03-12 福建工程学院 Preparation method for synthesizing cordierite material by use of waste ceramic rollers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101161603A (en) * 2006-10-12 2008-04-16 湖南省新化县鑫星电子陶瓷有限责任公司 An iolite porcelain electronic flat-irons soles with low hot expansion factor
CN101687713A (en) * 2007-06-28 2010-03-31 康宁股份有限公司 The high porosity ceramic honeycomb article and the manufacture method thereof that comprise rare earth oxide
CN103553661A (en) * 2013-10-18 2014-02-05 李富朝 Preparation method for mullite-roller bed bar waste-cordierite product for hot-blast stove ceramic burner
CN103626481A (en) * 2013-11-14 2014-03-12 福建工程学院 Preparation method for synthesizing cordierite material by use of waste ceramic rollers

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107746266A (en) * 2017-09-19 2018-03-02 北京大学 A kind of fiber reinforcement cordierite marmite and preparation method thereof
CN107746266B (en) * 2017-09-19 2020-02-07 北京大学 Fiber-reinforced cordierite marmite and preparation method thereof
CN108975923A (en) * 2018-07-24 2018-12-11 广东金刚新材料有限公司 A kind of anti-thermal shock and the stable ceramic rod and preparation method thereof of high volume
CN109279884A (en) * 2018-08-29 2019-01-29 广东金刚新材料有限公司 A kind of high strength cordierite-mullite ceramic roller stick and preparation method thereof
CN109279884B (en) * 2018-08-29 2022-02-18 广东金刚新材料有限公司 High-strength cordierite-mullite ceramic roller and preparation method thereof
CN110028314B (en) * 2019-04-08 2021-05-25 福建省德化县创捷窑具有限公司 High-thermal-shock-stability cordierite-mullite kiln furniture and preparation method thereof
CN110028314A (en) * 2019-04-08 2019-07-19 福建省德化县创捷窑具有限公司 A kind of high thermal shock resistance dichroite-mullite kiln furnitures and preparation method thereof
CN111004040A (en) * 2020-01-02 2020-04-14 四会市奥耳新材料有限公司 Liquid intensifier
CN114349472A (en) * 2021-12-24 2022-04-15 广东金刚新材料有限公司 Low-cost, high-thermal-shock-resistance and low-heat-conductivity light heat-insulating brick and preparation method thereof
CN114716257A (en) * 2022-03-11 2022-07-08 广东金刚新材料有限公司 Quenching ceramic roller-stick daub
CN114716257B (en) * 2022-03-11 2023-08-22 广东金刚新材料有限公司 Quenching ceramic roller daub
CN116903348A (en) * 2023-09-15 2023-10-20 广东佛山市陶瓷研究所控股集团股份有限公司 Composition for preparing ceramic roller, and preparation method and application of ceramic roller
CN116903348B (en) * 2023-09-15 2023-12-29 广东佛山市陶瓷研究所控股集团股份有限公司 Composition for preparing ceramic roller, and preparation method and application of ceramic roller

Also Published As

Publication number Publication date
CN105481349B (en) 2018-05-08

Similar Documents

Publication Publication Date Title
CN105481349A (en) Low cost antibending ceramic roller rod and preparing method thereof
CN108083767B (en) Preparation method of water permeable brick
CN101844910B (en) Thin-wall light-weighted sanitary ceramic body and manufacturing method thereof
JP6508546B2 (en) Pyroxene ceramics and method for manufacturing the same
CN101891450B (en) Degradable environmentally-friendly ceramic product and method for producing same
CN102363286B (en) Steel blank grinding abrasion wheel adopting microcrystal ceramic bonding agents
CN104478402B (en) A kind of scrap baked brick and preparation method thereof
CN104496438B (en) A kind of quartz sand ore mine tailing or silica sand ore deposit mine tailing base high-strength ceramic plate and preparation method thereof
CN108975923B (en) Ceramic roller rod with thermal shock resistance and high-temperature volume stability and preparation method thereof
CN106278365A (en) With sintering brick permeable to water that shraff is prepared for major ingredient and preparation method thereof
CN103664014A (en) White sulphoaluminate cement and preparing method thereof
CN104446361A (en) Recrystallized ceramic body paste and method for preparing ceramic products with same
CN103755330B (en) Desert wind sand is utilized to prepare the method for quartzose pottery
CN102363288A (en) High-speed ceramic microcrystal steel billet coping grinding wheel and manufacturing method thereof
CN104086197A (en) Andalusite and cordierite refractory material for glass kiln and product thereof
CN101121612A (en) Method for preparing glaze self-releasing ceramic material by red mud and red sandstone
CN106116472A (en) A kind of method that glazed tile waste residue recycles
CN109437885A (en) A kind of high-intensity inorganic ceramic preparation
CN104591689A (en) Method for producing recrystallized ceramic product by utilizing waste ceramic
CN1309680C (en) Low-temperature sintered complex phase abrasion resistant ceramic material
CN101555148B (en) High strength acid resistant refractory brick and preparation method thereof
CN102765931A (en) Method for preparing ceramic material utilizing magnetic separation tail sludge from steel slag wet process
CN107721435B (en) Ceramic product made of waste ceramic material and manufacturing method thereof
CN105622055A (en) Preparation method of large-sized ultrathin architectural ceramic tile blanks
CN101786858B (en) Method for manufacturing aluminum ceramic microspheres in mullite toughening

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Yang Hualiang

Inventor after: Fang Rende

Inventor after: Wang Yumei

Inventor after: Lin Xizhu

Inventor before: Yang Hualiang

Inventor before: Fang Rende

Inventor before: Wang Yumei

Inventor before: Guo Pengli

Inventor before: Li Jian

Inventor before: Lin Xizhu

GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 528237 the original Changjiang carton factory of Guangdong Foshan City Nanshan District

Co-patentee after: Foshan Ceramic Research Institute Group Co.,Ltd.

Patentee after: GUANGDONG JINGANG NEW MATERIAL CO.,LTD.

Address before: 528237 the original Changjiang carton factory of Guangdong Foshan City Nanshan District

Co-patentee before: FOSHAN CERAMIC RESEARCH INSTITUTE CO.,LTD.

Patentee before: FOSHAN NANHAI JINGANG NEW MATERIAL Co.,Ltd.

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20160413

Assignee: Guangdong Yaoda Financial Leasing Co.,Ltd.

Assignor: GUANGDONG JINGANG NEW MATERIAL Co.,Ltd.|Foshan Ceramic Research Institute Group Co.,Ltd.

Contract record no.: X2020980005505

Denomination of invention: A low cost bending resistant ceramic roller and its preparation method

Granted publication date: 20180508

License type: Exclusive License

Record date: 20200828

EE01 Entry into force of recordation of patent licensing contract
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A low cost bending resistant ceramic roller and its preparation method

Effective date of registration: 20200901

Granted publication date: 20180508

Pledgee: Guangdong Yaoda Financial Leasing Co.,Ltd.

Pledgor: GUANGDONG JINGANG NEW MATERIAL Co.,Ltd.

Registration number: Y2020980005614

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 528237 the original Changjiang carton factory of Guangdong Foshan City Nanshan District

Patentee after: GUANGDONG JINGANG NEW MATERIAL CO.,LTD.

Patentee after: Guangdong Foshan Ceramic Research Institute Holding Group Co.,Ltd.

Address before: 528237 the original Changjiang carton factory of Guangdong Foshan City Nanshan District

Patentee before: GUANGDONG JINGANG NEW MATERIAL CO.,LTD.

Patentee before: Foshan Ceramic Research Institute Group Co.,Ltd.

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20231016

Granted publication date: 20180508

Pledgee: Guangdong Yaoda Financial Leasing Co.,Ltd.

Pledgor: GUANGDONG JINGANG NEW MATERIAL CO.,LTD.

Registration number: Y2020980005614

EC01 Cancellation of recordation of patent licensing contract
EC01 Cancellation of recordation of patent licensing contract

Assignee: Guangdong Yaoda Financial Leasing Co.,Ltd.

Assignor: GUANGDONG JINGANG NEW MATERIAL CO.,LTD.|Foshan Ceramic Research Institute Group Co.,Ltd.

Contract record no.: X2020980005505

Date of cancellation: 20231019

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20231111

Address after: 528000 No. 18, Huiyuan Road, Chancheng District, Foshan City, Guangdong Province

Patentee after: Guangdong Foshan Ceramic Research Institute Holding Group Co.,Ltd.

Address before: 528237 the original Changjiang carton factory of Guangdong Foshan City Nanshan District

Patentee before: GUANGDONG JINGANG NEW MATERIAL CO.,LTD.

Patentee before: Guangdong Foshan Ceramic Research Institute Holding Group Co.,Ltd.